#ifndef __UART2_H
#define __UART2_H

#include <stm32f4xx.h>

#define Front_Send      0xaa
#define Front_NoSend    0xbb
#define Front_Notask    0xf0
#define Front_Pick      0x0f
#define Front_ON 				0x0a
#define Front_OFF 			0xa0
extern u8 fmessage;
extern u8 pick_recflag;
extern float error_x;
void USART2_Init(void);
void USART2_IRQHandler(void);

#endif
